Purchase this article with an account.
or
Journal of Vision. 2004; 4(8):247. https://doi.org/10.1167/4.8.247
Journal of Vision. 2002; 2(7):466. https://doi.org/10.1167/2.7.466
Journal of Vision. 2002; 2(7):486. https://doi.org/10.1167/2.7.486
This PDF is available to Subscribers Only